1. In the figure below, in generation 2 there are only two more child-producing individuals in the asexual population that in the sexual population. If the same two-fold difference in reproductive rates were continued, how many more child-producing individuals would there be in the asexual compared to sexual population of generation 5? Explain your calculation. (CYU Figure 13.12) Asexual reproduction Sexual reproduction Generation 1 |There are only half as many child-producing offspring in the sexual population as in |the asexual population Generation 2 0000 Generation 30 O00 0000 0000 0000

1. In the figure below, in generation 2 there are only two more child-producing individuals in the asexual population that in the sexual population. If the same two-fold difference in reproductive rates were continued, how many more child-producing individuals would there be in the asexual compared to sexual population of generation 5? Explain your calculation. (CYU Figure 13.12) Asexual reproduction Sexual reproduction Generation 1 |There are only half as many child-producing offspring in the sexual population as in |the asexual population Generation 2 0000 Generation 30 O00 0000 0000 0000

Name: 1. In the figure below, in generation 2 there are only two more child
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Description: 1. In the figure below, in generation 2 there are only two more child-producing individuals in theasexual population that in the sexual population. If the same two-fold difference in reproductiverates were continued, how many more child-producing in

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter45: Population And Community Ecology

Section: Chapter Questions

Problem 29RQ: Why are polyandrous mating systems more rare than polygynous matings? Only males are capable of...

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In terms of increasing genetic variability, does asexual reproduction has higher rate compare to sexual reproduction? Explain your answers in 3 to 4 sentences.
O https:/ezto.mheducation.com/ext/map/index.html?_con=con&external browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.corm%252F#/activ. Ch. 9 Quiz 0 Help 6. Sexual reproduction and melosis generate genetic variability by Multiple Choice Book Reteences random fertilization crossing over random alignment. All answers are correct Hill ENG 11:31 AM
Why are polyandrous mating systems more rare than polygynous matings? Only males are capable of multiple rounds of reproduction within a single breeding season Only females care for the young Females usually experience more intrasexual selection pressure than males Females usually devote more energy to offspring production and development.
The change of successful fertilization is approximately 18% in every cycle. Why does this statistic seem so low? All of the following statements provide a reason as to why the chance of fertilization is 18% every ovarian cycle EXEPT Select one: A. Some Sperm cells are not very motile, while others are formed without a tail. B. If more than one sperm fertilizes an egg, multiple embryos can result. C. Vagina is very acidic, killing many sperm. D. There two fallopian tubes and two ovaries, but only one of them releases an ovum every cycle.
Do all dioecious species have a homogametic and a heterogametic sex? 1. Yes, because dioecious means that two types of gametes are produced, even in hermaphroditic species. 2. Yes, because all sex-determining systems include heterogametic and homogametic sexes. 3. Yes, because in dioecious organisms, either the XX-XY or the ZZ-ZW system determines sex. XY and ZW individuals are heterogametic. XX and ZZ individuals are homogametic. 4. No, because hermaphrodites and species that reproduce asexually are dioecious. 5. No, because dioecious means that the sexes are separate, regardless of how sex is determined. In some dioecious species, sex is determined by a single gene.
You are studying a new species of insect. You identify the following about sex determination in this species: . Their cells contain chromosomes, but no sex chromosomes • Individuals who produce sperm have half the number of chromosomes than individuals who produce eggs . Changes in the environment do not affect sex determination Given this information, you predict that this species uses sex determination. O XX/XO O parthenogenesis O non-chromosomal O haplo-diploid
Offspring formed due to sexual reproduction have better chances ofsurvival. Why? Is this statement always true?
Let's Check Activity 9. Let us try to check your understanding of the discussion. Read the questions carefully. Encircle the letter that corresponds to the correct answer. 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b 2. Regarding types of multiple pregnancy, which of the following are true? a. Dizygotic twins result from fertilization of different oocytes by the same sperm. b. Monozygotic twins result from mitotic division of a single zygote into 'identical' twins. c. Dizygotic twins result from the division of a single fertilized egg. d. Monozygotic twins result from 2 egg cells merged together, eventually fertilized by a sperm cell. 3. Fraternal twins make up approximately. of the twin population.
Birth Defects and Multiple Births A woman who carries multiple offspring at the same time increases the risk of some birth defects. FIGURE 42.18 shows the results of Yiwei Tang's study of birth defects reported in Florida from 1W6 to 2000. Tang compared the incidence of various defects among single and multiple births. She calculated the relative risk for each type of defect based on type of birth, and corrected for other differences that might increase risk such as maternal age, income, race, and medical care during pregnancy. A relative risk of less than 1 means that multiple births pose less risk of that defect occurring. A relative risk greater than 1 means multiples are more likely to have a defect. FIGURE 42.18 Prevalence, per 10,000 live births, of various types of birth defects among multiple aria single births. Relative risk for each defect is given after researches adjusted for the motor's age, race, previous adverse pregnancy experience, education, Medicaid participation during pregnancy, as well as the infant's sex and number of siblings. 4. Does a multiple pregnancy increase the relative risk of chromosomal defects in offspring?
The chance of successful fertilization is approximately 18% in every cycle. Why does this statistic seem so low? All of the following statements provide a reason as to why the chance of fertilization is only 18% for every ovarian cycle EXCEPT Select one: a. Some sperm cells are not very motile, while others are formed without a tail. b. There are two Fallopian tubes and two ovaries, but only one of them releases an ovum every cycle. c. If more than one sperm fertilize an egg, multiple embryos can result. d. The vagina is very acidic, killing many sperm cells.
What is the conception rate if there are 130 cows exposed during breeding but only 78 got pregnant?
10 is the problem solver to help you What is the probability of getting dimpled offspring ? What is the probability of getting offspring with no dimples ? What is the probability of getting homozygous offspring ?